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Finding the Fourth Proportional to 462,148.73, 637,655.93 and 268,441.34

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Solution

The fourth proportional to 462,148.73, 637,655.93 and 268,441.34 is: 370,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,148.73 : 637,655.93 = 268,441.34 : x
  2. Step 2: Convert to fraction form
    462,148.73/637,655.93 = 268,441.34/x
  3. Step 3: Cross multiply
    462,148.73x = 637,655.93 × 268,441.34
  4. Step 4: Simplify right side
    462,148.73x = 171,173,212,308.15
  5. Step 5: Solve for x
    x = 171,173,212,308.15/462,148.73
  6. Step 6: Final answer
    x = 370,385.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.